66501060616703 has 2 divisors, whose sum is σ = 66501060616704. Its totient is φ = 66501060616702.

The previous prime is 66501060616699. The next prime is 66501060616747. The reversal of 66501060616703 is 30761606010566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66501060616703 - 2² = 66501060616699 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66501060610703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33250530308351 + 33250530308352.

It is an arithmetic number, because the mean of its divisors is an integer number (33250530308352).

Almost surely, 2^{66501060616703} is an apocalyptic number.

66501060616703 is a deficient number, since it is larger than the sum of its proper divisors (1).

66501060616703 is an equidigital number, since it uses as much as digits as its factorization.

66501060616703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 66501060616703 in words is "sixty-six trillion, five hundred one billion, sixty million, six hundred sixteen thousand, seven hundred three".